diff options
Diffstat (limited to 'src/main/java/com/jsyn/swing/DoubleBoundedRangeSlider.java')
-rw-r--r-- | src/main/java/com/jsyn/swing/DoubleBoundedRangeSlider.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/swing/DoubleBoundedRangeSlider.java b/src/main/java/com/jsyn/swing/DoubleBoundedRangeSlider.java new file mode 100644 index 0000000..81b67df --- /dev/null +++ b/src/main/java/com/jsyn/swing/DoubleBoundedRangeSlider.java @@ -0,0 +1,101 @@ +/* + * Copyright 2002 Phil Burk, Mobileer Inc + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.jsyn.swing; + +import java.util.Hashtable; + +import javax.swing.BorderFactory; +import javax.swing.JLabel; +import javax.swing.JSlider; +import javax.swing.border.TitledBorder; +import javax.swing.event.ChangeEvent; +import javax.swing.event.ChangeListener; + +import com.jsyn.util.NumericOutput; + +/** + * Slider that takes a DoubleBoundedRangeModel. It displays the current value in a titled border. + * + * @author Phil Burk, (C) 2002 SoftSynth.com, PROPRIETARY and CONFIDENTIAL + */ + +public class DoubleBoundedRangeSlider extends JSlider { + /** + * + */ + private static final long serialVersionUID = -440390322602838998L; + /** Places after decimal point for display. */ + private int places; + + public DoubleBoundedRangeSlider(DoubleBoundedRangeModel model) { + this(model, 5); + } + + public DoubleBoundedRangeSlider(DoubleBoundedRangeModel model, int places) { + super(model); + this.places = places; + setBorder(BorderFactory.createTitledBorder(generateTitleText())); + model.addChangeListener(new ChangeListener() { + @Override + public void stateChanged(ChangeEvent e) { + updateTitle(); + } + }); + } + + protected void updateTitle() { + TitledBorder border = (TitledBorder) getBorder(); + if (border != null) { + border.setTitle(generateTitleText()); + repaint(); + } + } + + String generateTitleText() { + DoubleBoundedRangeModel model = (DoubleBoundedRangeModel) getModel(); + double val = model.getDoubleValue(); + String valText = NumericOutput.doubleToString(val, 0, places); + return model.getName() + " = " + valText; + } + + public void makeStandardLabels(int labelSpacing) { + setMajorTickSpacing(labelSpacing / 2); + setLabelTable(createStandardLabels(labelSpacing)); + setPaintTicks(true); + setPaintLabels(true); + } + + public double nextLabelValue(double current, double delta) { + return current + delta; + } + + public void makeLabels(double start, double delta, int places) { + DoubleBoundedRangeModel model = (DoubleBoundedRangeModel) getModel(); + // Create the label table + Hashtable<Integer, JLabel> labelTable = new Hashtable<Integer, JLabel>(); + double dval = start; + while (dval <= model.getDoubleMaximum()) { + int sliderValue = model.doubleToSlider(dval); + String text = NumericOutput.doubleToString(dval, 0, places); + labelTable.put(sliderValue, new JLabel(text)); + dval = nextLabelValue(dval, delta); + } + setLabelTable(labelTable); + setPaintLabels(true); + } + +} |